Vintage Arithma Addiator Made in Germany with original stylus, instructions, case and original box 6" x 1 1/2" Harrison Home Products Corp. "World's Smallest Precision Adding Machine!!" (For its time!

 

This auction is for a lot of dental crowns. Includes two appox 60 Directa Poly Flex translucent crowns of various sizes and one 5-pack of Unitek Gold Anodized Temporary Molar crowns. Many more great i

 

SPECIAL VINTGA AND VERY COLLECTABLE ARISTO SLIDE RULE SCHOLAR #803 NEW OLD STOCK, IN PERFECT CONDITIONS. IT COMES IN ITS ORIGINAL CASE AND BOX WITH THE ORIGINAL MANUAL THAT PRINTED IN SPANISH FOR THE

 

Plessey PDRM 82 Portable Dose Rate Meter This portable geiger counter, manufactured by Plessey Controls Ltd of Poole from 1982 onwards, was issued to both U.K. emergency services and the Royal Observe

 

A Collection of Circular Slide Rules and Calculators. See photos for what is included. All are in very good condition except the Range Computer which has 3 internal cracks in the back plastic disk. So

 

Offered here is a First Printing of the out-of-print book Miners' Candlestick Patents, by Wendell Wilson. Published in 1983 by the Mineralogical Record Incorporated, Tucson, Arizona. . Includes 81 pag

 

OLD GILBERT CHEMISTRY EXPERIMENT LAB 12026 SET W/FULL BOTTLES NR Click to View Image Album Click to View Image Album Click to View Image Album Click to View Image Album Click to View Image Album Click

 

This vintage Keuffel & Esser 8 1/4" Slide Rule is in excellent very clean condition. Powered by eBay Turbo ListerThe free listing tool. List your items fast and easy and manage your active items.

 

Offered here without reserve is this truly rare spiked tommy. While normally associated with mining, the unique gimbaled assembly (in fully working order so that the candle is unaffected by the angle

 

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